SLL2: Translate interface indices to names on Linux only.

[tcpdump] / print-sll.c

diff --git a/print-sll.c b/print-sll.c
index 3a760aef0a02d5c4d7911390ecd5258cbdcc458f..a86bacef6cd21a776f7283c7820192b15293c761 100644 (file)
--- a/print-sll.c
+++ b/print-sll.c
@@ -23,7 +23,7 @@
 
 #include <config.h>
 
-#ifdef HAVE_NET_IF_H
+#ifdef __linux__
 #include <net/if.h>
 #endif
 
@@ -403,7 +403,7 @@ sll2_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char
        u_short ether_type;
        int llc_hdrlen;
        u_int hdrlen;
-#ifdef HAVE_NET_IF_H
+#ifdef __linux__
        uint32_t if_index;
        char ifname[IF_NAMESIZE];
 #endif
@@ -412,7 +412,7 @@ sll2_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char
        ND_TCHECK_LEN(p, SLL2_HDR_LEN);
 
        sllp = (const struct sll2_header *)p;
-#ifdef HAVE_NET_IF_H
+#ifdef __linux__
        if_index = GET_BE_U_4(sllp->sll2_if_index);
        if (!if_indextoname(if_index, ifname))
                strncpy(ifname, "?", 2);